(19)
(11) EP 1 421 029 A1

(12)

(43) Date of publication:
26.05.2004 Bulletin 2004/22

(21) Application number: 02760465.1

(22) Date of filing: 27.08.2002
(51) International Patent Classification (IPC)7C01B 21/082
(86) International application number:
PCT/IB2002/003455
(87) International publication number:
WO 2003/018473 (06.03.2003 Gazette 2003/10)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 28.08.2001 ZA 200107105

(71) Applicants:
  • Zerr, Andreas
    55122 Mainz (DE)
  • Kroke, Edwin Rolf Balduin
    Lompoc, CA 93436 (US)
  • Riedel, Ralf
    64832 Babenhausen (DE)
  • Schwarz, Marcus Rolf
    64295 Darmstadt (DE)

(72) Inventors:
  • Zerr, Andreas
    55122 Mainz (DE)
  • Kroke, Edwin Rolf Balduin
    Lompoc, CA 93436 (US)
  • Riedel, Ralf
    64832 Babenhausen (DE)
  • Schwarz, Marcus Rolf
    64295 Darmstadt (DE)

(74) Representative: Benson, John Everett 
J. A. Kemp & Co.,14 South Square,Gray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)

   


(54) SILICON CARBONITRIDE WITH SPINEL STRUCTURE